Backus-Naur Form

Time-Stamping and Time Synchronization

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Intel® PAC
Napatech SmartNIC
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User Guide

In this section

Throughout this chapter the syntax for the ntservice.ini file is specified using Backus-Naur form (BNF) notation. This section describes the Backus-Naur form.

Backus-Naur semantics

This table explains the BNF semantics.

Symbol Meaning
::= Consists of (is defined as)
<...> Syntactic category (nonterminal)
'...' As is (literal word – terminal)
[...] Optional, can appear zero or 1 time
{...} Optional, can appear zero or more times
| Or (separates alternatives)
() Used for grouping